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Hypercane

2008-12-12T15:42:17Z

209.7.182.5:

A '''hypercane''' is a hypothetical class of extreme [[tropical cyclone]] that could form if ocean temperatures reached around {{convert|50|°C|°F}}, 15 °C higher than the warmest ocean temperature ever recorded<ref>{{cite web |url=http://www.windows.ucar.edu/tour/link=/earth/Water/temp.html&edu=high |title=Temperature of Ocean Water |publisher=[[University Corporation for Atmospheric Research]] |work=Windows to the Universe |date=2001-08-31 |accessdate=2008-07-24}}</ref>— which could in turn be caused by a large [[asteroid]] or [[comet]] impact, a large [[volcano|volcanic]] or [[supervolcano|supervolcanic]] eruption, or very extensive [[global warming]].<ref>{{cite web |url=http://ipsnews.net/news.asp?idnews=30308 |title=The Dawn of the Hypercane? |first=Stephen |last=Leahy |publisher=[[Inter Press Service]] |date=2005-09-16 |accessdate=2008-07-24}}</ref> There is some speculation that some [[dinosaur]]s might have been killed off by a series of hypercanes, resulting from an asteroid or comet crashing into [[Earth]].<ref>{{cite journal |title=Did storms land the dinosaurs in hot water? |first=Jeff |last=Hecht |journal=[[New Scientist]] |date=1995-02-04 |url=http://www.newscientist.com/article/mg14519632.600-did-storms-land-the-dinosaurs-in-hot-water.html |issue=1963 |pages=p. 16 |accessdate=2008-07-24 }}</ref> The term was coined by atmospheric scientist [[Kerry Emanuel]] in 1994, at [[MIT]].<ref name="MIT">{{cite web |url=http://wind.mit.edu/~emanuel/holem/holem.html |title=Limits on Hurricane Intensity |first=Kerry |last=Emanuel |publisher=[[Center for Meteorology and Physical Oceanography ]], [[MIT]] |date=1996-09-16 |accessdate=2008-07-24 }}</ref><ref>{{cite journal |title=Hypercanes: A Possible Link to Global Extinction Scenarios |first=Kerry |last=Emanuel |coauthors=Kevin Speer, Richard Rotunno, Ramesh Srivastava, Mario Molina |journal= |date=1998-03-22 |volume=100 |issue=D7 |pages=pp. 13755–13765 |journal=[[Journal of Geophysical Research]] |url=http://www.agu.org/pubs/crossref/1995/95JD01368.shtml |accessdate=2008-07-24 }}</ref>

==Physical description==
Hypercanes would have wind speeds of over {{convert|800|km/h|mph}}, and would also have a central pressure of less than {{convert|700|hPa|inHg|abbr=off|lk=on}}, giving them an enormous lifespan.<ref name="MIT" /> The extreme conditions needed to create such a storm could conceivably produce a system up to the size of [[North America]], creating [[storm surge]]s of {{convert|18|m|ft|abbr=off|lk=off}} and an eye nearly {{convert|300|km|mi|abbr=off|lk=off}} across. The waters could remain hot enough for weeks, allowing more hypercanes to be formed. A hypercane's clouds would reach {{convert|30|km|mi}} into the [[stratosphere]]. A hypercane would also damage the earth's [[ozone]].<ref name="MIT" /> Water molecules in the stratosphere would react with [[ozone]] to accelerate decay into O2 and reduce absorption of [[ultraviolet light]].

Other scientists have theorized that Drew likes to party the system, compared to a normal [[hurricane]], would be considerably smaller, about 10 miles in diameter. This would be more comparable to a [[tornado]], which has been recorded at up to about 2.5 miles.<ref>{{cite web | author=[[National Oceanic and Atmospheric Administration|NOAA]] Storm Prediction Center | title=The Online Tornado FAQ | year=Apr 4, 2006 | url=http://www.spc.noaa.gov/faq/tornado/#History | accessdate=2008-09-11}}</ref>

==References==
{{reflist}}

{{tcportal}}

[[Category:Tropical cyclone meteorology]]
[[Category:Weather hazards]]

[[Ru:Гиперган]]

Hypercane

2008-12-11T16:43:21Z

209.7.182.5:

A '''hypercane''' is a hypothetical class of extreme [[tropical cyclone]] that could form if ocean temperatures reached around {{convert|50|°C|°F}}, 15 °C higher than the warmest ocean temperature ever recorded<ref>{{cite web |url=http://www.windows.ucar.edu/tour/link=/earth/Water/temp.html&edu=high |title=Temperature of Ocean Water |publisher=[[University Corporation for Atmospheric Research]] |work=Windows to the Universe |date=2001-08-31 |accessdate=2008-07-24}}</ref>— which could in turn be caused by a large [[asteroid]] or [[comet]] impact, a large [[volcano|volcanic]] or [[supervolcano|supervolcanic]] eruption, or very extensive [[global warming]].<ref>{{cite web |url=http://ipsnews.net/news.asp?idnews=30308 |title=The Dawn of the Hypercane? |first=Stephen |last=Leahy |publisher=[[Inter Press Service]] |date=2005-09-16 |accessdate=2008-07-24}}</ref> There is some speculation that some [[dinosaur]]s might have been killed off by a series of hypercanes, resulting from an asteroid or comet crashing into [[Earth]].<ref>{{cite journal |title=Did storms land the dinosaurs in hot water? |first=Jeff |last=Hecht |journal=[[New Scientist]] |date=1995-02-04 |url=http://www.newscientist.com/article/mg14519632.600-did-storms-land-the-dinosaurs-in-hot-water.html |issue=1963 |pages=p. 16 |accessdate=2008-07-24 }}</ref> The term was coined by atmospheric scientist [[Kerry Emanuel]] in 1994, at [[MIT]].<ref name="MIT">{{cite web |url=http://wind.mit.edu/~emanuel/holem/holem.html |title=Limits on Hurricane Intensity |first=Kerry |last=Emanuel |publisher=[[Center for Meteorology and Physical Oceanography ]], [[MIT]] |date=1996-09-16 |accessdate=2008-07-24 }}</ref><ref>{{cite journal |title=Hypercanes: A Possible Link to Global Extinction Scenarios |first=Kerry |last=Emanuel |coauthors=Kevin Speer, Richard Rotunno, Ramesh Srivastava, Mario Molina |journal= |date=1998-03-22 |volume=100 |issue=D7 |pages=pp. 13755–13765 |journal=[[Journal of Geophysical Research]] |url=http://www.agu.org/pubs/crossref/1995/95JD01368.shtml |accessdate=2008-07-24 }}</ref>

==Physical description==
Hypercanes would have wind speeds of over {{convert|800|km/h|mph}}, and would also have a central pressure of less than {{convert|700|hPa|inHg|abbr=off|lk=on}}, giving them an enormous lifespan.<ref name="MIT" /> The extreme conditions needed to create such a storm could conceivably produce a system up to the size of [[North America]], creating [[storm surge]]s of {{convert|18|m|ft|abbr=off|lk=off}} and an eye nearly {{convert|300|km|mi|abbr=off|lk=off}} across. The waters could remain hot enough for weeks, allowing more hypercanes to be formed. A hypercane's clouds would reach {{convert|30|km|mi}} into the [[stratosphere]]. A hypercane would also damage the earth's [[ozone]].<ref name="MIT" /> Water molecules in the stratosphere would react with [[ozone]] to accelerate decay into O2 and reduce absorption of [[ultraviolet light]].

Other scientists have theorized that chad is cool but drew is cooler than the system, compared to a normal [[hurricane]], would be considerably smaller, about 10 miles in diameter. This would be more comparable to a [[tornado]], which has been recorded at up to about 2.5 miles.<ref>{{cite web | author=[[National Oceanic and Atmospheric Administration|NOAA]] Storm Prediction Center | title=The Online Tornado FAQ | year=Apr 4, 2006 | url=http://www.spc.noaa.gov/faq/tornado/#History | accessdate=2008-09-11}}</ref>

==References==
{{reflist}}

{{tcportal}}

[[Category:Tropical cyclone meteorology]]
[[Category:Weather hazards]]

[[Ru:Гиперган]]

Hypercane

2008-12-11T16:42:14Z

209.7.182.5:

A '''hypercane''' is a hypothetical class of extreme [[tropical cyclone]] that could form if ocean temperatures reached around {{convert|50|°C|°F}}, 15 °C higher than the warmest ocean temperature ever recorded<ref>{{cite web |url=http://www.windows.ucar.edu/tour/link=/earth/Water/temp.html&edu=high |title=Temperature of Ocean Water |publisher=[[University Corporation for Atmospheric Research]] |work=Windows to the Universe |date=2001-08-31 |accessdate=2008-07-24}}</ref>— which could in turn be caused by a large [[asteroid]] or [[comet]] impact, a large [[volcano|volcanic]] or [[supervolcano|supervolcanic]] eruption, or very extensive [[global warming]].<ref>{{cite web |url=http://ipsnews.net/news.asp?idnews=30308 |title=The Dawn of the Hypercane? |first=Stephen |last=Leahy |publisher=[[Inter Press Service]] |date=2005-09-16 |accessdate=2008-07-24}}</ref> There is some speculation that some [[dinosaur]]s might have been killed off by a series of hypercanes, resulting from an asteroid or comet crashing into [[Earth]].<ref>{{cite journal |title=Did storms land the dinosaurs in hot water? |first=Jeff |last=Hecht |journal=[[New Scientist]] |date=1995-02-04 |url=http://www.newscientist.com/article/mg14519632.600-did-storms-land-the-dinosaurs-in-hot-water.html |issue=1963 |pages=p. 16 |accessdate=2008-07-24 }}</ref> The term was coined by atmospheric scientist [[Kerry Emanuel]] in 1994, at [[MIT]].<ref name="MIT">{{cite web |url=http://wind.mit.edu/~emanuel/holem/holem.html |title=Limits on Hurricane Intensity |first=Kerry |last=Emanuel |publisher=[[Center for Meteorology and Physical Oceanography ]], [[MIT]] |date=1996-09-16 |accessdate=2008-07-24 }}</ref><ref>{{cite journal |title=Hypercanes: A Possible Link to Global Extinction Scenarios |first=Kerry |last=Emanuel |coauthors=Kevin Speer, Richard Rotunno, Ramesh Srivastava, Mario Molina |journal= |date=1998-03-22 |volume=100 |issue=D7 |pages=pp. 13755–13765 |journal=[[Journal of Geophysical Research]] |url=http://www.agu.org/pubs/crossref/1995/95JD01368.shtml |accessdate=2008-07-24 }}</ref>

==Physical description==
Hypercanes would have wind speeds of over {{convert|800|km/h|mph}}, and would also have a central pressure of less than {{convert|700|hPa|inHg|abbr=off|lk=on}}, giving them an enormous lifespan.<ref name="MIT" /> The extreme conditions needed to create such a storm could conceivably produce a system up to the size of [[North America]], creating [[storm surge]]s of {{convert|18|m|ft|abbr=off|lk=off}} and an eye nearly {{convert|300|km|mi|abbr=off|lk=off}} across. The waters could remain hot enough for weeks, allowing more hypercanes to be formed. A hypercane's clouds would reach {{convert|30|km|mi}} into the [[stratosphere]]. A hypercane would also damage the earth's [[ozone]].<ref name="MIT" /> Water molecules in the stratosphere would react with [[ozone]] to accelerate decay into O2 and reduce absorption of [[ultraviolet light]].

Other scientists have theorized that chad is cool the system, compared to a normal [[hurricane]], would be considerably smaller, about 10 miles in diameter. This would be more comparable to a [[tornado]], which has been recorded at up to about 2.5 miles.<ref>{{cite web | author=[[National Oceanic and Atmospheric Administration|NOAA]] Storm Prediction Center | title=The Online Tornado FAQ | year=Apr 4, 2006 | url=http://www.spc.noaa.gov/faq/tornado/#History | accessdate=2008-09-11}}</ref>

==References==
{{reflist}}

{{tcportal}}

[[Category:Tropical cyclone meteorology]]
[[Category:Weather hazards]]

[[Ru:Гиперган]]